Tools you put in front of clients — Data stays with you

74 match your filters — 70 of them answered our check today.

Watching this group for 20 days · how we check

This week14 new arrivals

Narrow it down

Doesn't mention AI54Free39No sign-up35Works offline18Open source4Data stays with youNo subscription6

SimulWise

Live

Free interactive personal-finance calculators that run entirely client-side, for people who don't want their financial data leaving their device, instead of clunky table-based calculators.

FreeNo sign-upData stays with you
What to know▼
How it works
Runs 100% client-side; visual charts for savings, debt payoff (Snowball vs Avalanche), FIRE retirement simulation
Pricing
Free, no registration

Watched for 2 days · last checked 2d ago

Details →

DocForge

Live

A free browser-based generator for invoices, receipts, and quotes that produces a PDF instantly without uploading data or creating an account.

Domain registered 27 days ago

FreeNo sign-upData stays with you
What to know▼
How it works
Generates business documents with a live preview and produces an instant PDF download, all generated locally in the browser.
Pricing
Free.
Best for
Businesses and freelancers needing quick invoices or quotes for clients without signing up.

Watched for 11 days · last checked 2d ago

Details →

Toolzeni

Live

Lets people use basic web utilities without uploading data instead of sending files to unknown servers.

Works offlineData stays with you
What to know▼
How it works
Client-side utilities run entirely in the browser.

Watched for 1 day · last checked today

Details →

Scott CRM

Live

Offline contact manager for filmmakers, musicians, and artists who want client relationships tracked without sales-pipeline clutter.

Works offlineData stays with you
What to know▼
How it works
Local-first, offline-ready contact storage
Best for
Creative freelancers who don't need a full sales CRM

Watched for 5 days · last checked today

Details →

ToolVines

Live

Collection of 340+ free online tools (PDF, image, financial, developer) that process everything client-side in the browser with no upload.

Domain registered 1 month ago

FreeNo sign-upData stays with you
What to know▼
How it works
Uses WebAssembly and Canvas APIs to run tools entirely in-browser.
What's different
No file caps, no watermarks, no server upload.
Pricing
Free

Watched for 5 days · last checked today

Details →

gottrix

Live

Lets people run 400+ file tools entirely in the browser instead of uploading files to a server.

FreeWorks offlineData stays with you
What to know▼
How it works
WebAssembly-based tools for PDFs, images, audio, video, and data; works offline after first visit.
Pricing
free
Watch out
available in 25 languages with real localization

Watched for 1 day · last checked today

Details →

Weavestream

Live

Gives MSPs self-hosted IT documentation instead of paying for IT Glue or Hudu licenses.

FreeData stays with youOpen sourceSelf-hosted

Watched for 1 day · last checked 1d ago

Details →

LocalJSON

Live

Lets developers clean and reformat messy JSON entirely in the browser instead of uploading sensitive client data to a server.

Data stays with youCan export my data

Watched for 1 day · last checked today

Details →

PDF Word Counter

Live

Counts words, characters, and reading time in a PDF entirely in the browser, instead of uploading files to a server-based tool.

FreeData stays with youCan export my data
What to know▼
How it works
Client-side processing; export as TXT or DOCX.
Pricing
Free.

Watched for 2 days · last checked 1d ago

Details →

Trade Mail Trio

Live

A browser-based Gmail extension that summarizes email threads and organizes trade clients into folders without sending data to a server.

Data stays with youNo subscriptionCan export my data
What to know▼
How it works
Runs inside Gmail, uses your own AI key, stores data only in your browser
What's different
Zero-server, encrypted export files for handoff
Pricing
Free 14-day trial, then 5 free ops/day, or $199 one-time lifetime plan
Best for
Cross-border trade professionals managing client emails in Gmail

Watched for 6 days · last checked 4d ago

Details →

Invoice Generator

Live

A free, no-account, no-upload tool that generates a PDF invoice entirely in the browser for freelancers and small businesses billing clients.

Domain registered 1 month ago

FreeNo sign-upData stays with you
What to know▼
How it works
Generates a PDF invoice entirely client-side in the browser, letting you add a logo, pick a design and set discount/tax without uploading anything.
Pricing
Free.
Best for
Freelancers and small businesses invoicing clients who want a quick invoice with no signup.

Watched for 12 days · last checked 9d ago

Details →

Reviso

Live

A visual commenting tool for WordPress: clients click directly on the live page to leave feedback instead of sending screenshots or emails. Built for web designers and agencies.

FreeNo sign-upData stays with you
What to know▼
How it works
Clients click any element on a live WordPress page and pin a comment there with no login or account; the site owner sees and resolves pins natively inside Bricks, Elementor, or the Gutenberg editor. Includes threaded replies, status tracking, automatic screenshots, PDF sign-off certificates, AI feedback summaries, and Slack/Discord/webhook integrations.
What's different
Built to live inside the page builder itself rather than a separate feedback dashboard, and stores all feedback in the user's own WordPress database.
Pricing
Has a free tier.
Best for
Web designers and agencies collecting client feedback and sign-off on WordPress sites.

Watched for 12 days · last checked today

Details →

Lumina AI Wellness

Live

A Mac app that watches your posture, eye strain, and stress via webcam while you work and nudges you before it becomes a problem.

Works offlineData stays with you
What to know▼
How it works
On-device computer vision monitors posture, eye health, and stress signals during screen work
What's different
Focuses on how screen time affects your body, not just how long you've used the screen
Best for
People doing long hours of screen-based work (coding, writing, meetings)
Watch out
Mac only currently, Windows launching soon

Watched for 6 days · last checked today

Details →

HAR File Viewer

Live

A free HAR file viewer that runs entirely client-side (nothing uploaded) and lets you inspect requests, headers and timing waterfalls — a real developer debugging tool.

FreeData stays with you
What to know▼
How it works
Opens HAR exports from Chrome, Firefox, Safari, or Edge and lets you inspect requests, headers, cookies, request/response bodies, query params, and a timing waterfall, with filtering by status, method, type, or URL and redaction of sensitive headers.
What's different
Runs 100% client-side, so no captured network data leaves your browser.
Pricing
Free.
Best for
Developers debugging network requests and performance.

Watched for 14 days · last checked today

Details →

Srishtikalpa

Live

Browser extension adding keyboard shortcuts, quick search, and a client switcher to QuickBooks Online.

FreeData stays with you
What to know▼
How it works
Adds Cmd+K search, 55+ keyboard shortcuts, one-click capture, and a color-coded client switcher to QuickBooks Online.
Pricing
Free.
Best for
QuickBooks Online users and accountants managing multiple clients.
Watch out
Data never leaves QBO.

Watched for 9 days · last checked today

Details →

Insight

Live

Self-hosted, cookieless, open-source analytics with a live visitor map, Stripe revenue attribution, and tracking of which pages AI crawlers read.

Data stays with youOpen sourceSelf-hosted
What to know▼
How it works
run it on your server; real-time map, Stripe channels, AI-crawler pages
What's different
no cookies or consent banner, data never leaves your machine
Pricing
MIT

Watched for 6 days · last checked today

Details →

EasyFreePDF

Live

Suite of 25 PDF tools (merge, split, convert) that run entirely in your browser without uploading files to a server.

FreeNo sign-upNothing to installData stays with you
What to know▼
How it works
client-side processing for merges, splits and conversions
Pricing
free, no signup, no watermark

Watched for 6 days · last checked today

Details →

Nicegram

Live

An enhanced Telegram client with a built-in crypto wallet, AI assistant, and privacy features, aimed at individuals and businesses who want more security and Web3 tools than stock Telegram.

Data stays with youOpen source
What to know▼
How it works
An enhanced Telegram client with a non-custodial multichain wallet, a built-in AI assistant, and an Agent Marketplace, layered on top of standard Telegram messaging.
What's different
Open-source and privacy-focused, adding financial and AI tools directly into the messaging client instead of requiring separate apps.
Best for
People who want more privacy, a built-in crypto wallet, and AI tools within the Telegram experience they already use.

Watched for 18 days · last checked today

Details →

Reqly

Live

A fast, privacy-first desktop REST API client built as a Postman alternative — for developers who want a local tool without their request data passing through a third-party cloud.

Data stays with you
What to know▼
How it works
A desktop REST API client built with Wails, Go and React for making and managing API requests.
What's different
Positioned as a privacy-first Postman alternative — a local desktop tool rather than one that routes requests through a third-party cloud.
Best for
Developers who want a fast desktop REST client without their request data passing through a third-party cloud service.

Watched for 10 days · last checked 4d ago

Details →

Invoice Now

Live

A browser-based invoice builder for freelancers and small businesses that keeps client and billing data entirely on your device, no sign-up or cloud sync.

Domain registered 3 years ago

No sign-upWorks offlineData stays with youNo tracking
What to know▼
How it works
Builds invoices entirely in the browser and exports them as PDF or PNG, with client details, invoice data and branding staying on the user's device.
What's different
No sign-up, no cloud storage and no tracking, unlike most invoicing tools that store data server-side.
Best for
Freelancers, consultants and small businesses who want to create invoices without their client and billing data leaving their device.

Watched for 10 days · last checked 4d ago

Details →

DevOpsForge

Live

A free, client-side visual builder for Docker Compose, Nginx/Caddy configs, healthchecks and backup scripts that generates production files without uploading anything to a server; a developer/DevOps tool.

FreeData stays with you
What to know▼
How it works
A visual configurator that generates Docker Compose, Nginx/Caddy configs, healthchecks and cloud backup scripts, producing production-ready environments in about 60 seconds.
What's different
100% client-side — zero server-side uploads.
Pricing
Free.
Best for
Developers and DevOps engineers who want production configs without hand-writing them.

Watched for 11 days · last checked 5d ago

Details →

QuickInvoice Plus

Live

A privacy-first iOS invoicing app with no login, no analytics and no servers — everything stays on your device. Free for 3 invoices a month; built for freelancers who don't want SaaS bloat.

FreeNo sign-upData stays with youNo tracking
What to know▼
How it works
An iOS invoicing app that creates professional PDF invoices in under a minute using three templates, with no login and no servers — all data stays on the device.
What's different
No account, no analytics, no servers — invoice data never leaves the device, unlike typical cloud invoicing SaaS.
Pricing
Free tier: 3 invoices/month forever. Plus unlocks unlimited invoices, all templates, logo, reports and CSV export for $5.99/mo or $39.99/yr.
Best for
Freelancers who want simple, private invoicing without SaaS bloat.

Watched for 13 days · last checked 7d ago

Details →

Re-QR Invoice Validator- KSA

Live

An offline tool for validating Saudi e-invoice QR codes, UBL XML files, and PDF/A-3 invoices, with VAT calculation, on-device.

Works offlineData stays with you
What to know▼
How it works
Validates invoice QR codes, UBL 2.1 XML files, and PDF/A-3 e-invoices, scanning QR codes, inspecting invoice data, and calculating VAT directly on-device with no cloud uploads.
Best for
Businesses, accountants, auditors, and developers handling Saudi e-invoices.
Watch out
Independent application, not affiliated with or endorsed by ZATCA or any government authority.

Watched for 8 days · last checked 6d ago

Details →

Markdown to Email

Live

Converts Markdown into inlined, Outlook-safe HTML you can paste into ConvertKit, beehiiv, or Mailchimp, entirely in your browser — built for newsletter writers and marketers who draft in Markdown.

FreeNo sign-upData stays with you
What to know▼
How it works
Converts Markdown into fully inlined, Outlook-safe HTML entirely in the browser, ready to paste into ConvertKit, beehiiv, Mailchimp or other email service providers, with built-in email-safe callout boxes and CTA button syntax.
What's different
Runs 100% client-side with no signup, account or paywall, so content never leaves the browser.
Pricing
Free, no signup, no paywall.
Best for
Newsletter writers, marketers and indie developers who draft in Markdown and need Outlook-safe HTML for their email platform.

Watched for 10 days · last checked 4d ago

Details →

MemPlato

Live

Turns your Android phone into a self-hosted MCP server so AI assistants like Claude, Cursor or Perplexity can pull your personal memory without sending data to the cloud. Aimed at developers already using MCP-compatible tools.

Works offlineData stays with youOpen sourceNo subscription
What to know▼
How it works
Turns an Android phone into a self-hosted MCP (Model Context Protocol) server by installing a Python MCP server inside Termux, with a secure tunnel giving the phone a stable public HTTPS URL that AI clients like Claude, Cursor or Perplexity can connect to for persistent memory.
What's different
Data is stored locally on the user's own phone instead of a vendor's cloud, with no subscription or vendor lock-in.
Pricing
No subscription.
Best for
Developers already using MCP-compatible AI tools who want to own their memory data instead of storing it in the cloud.
Watch out
Relies on a relay tunnel (relay.memplato.com) and requires Termux running on the phone, with a watchdog to restart the server if the phone reboots or Termux closes.

Watched for 10 days · last checked 4d ago

Details →

Papersfly

Live

Free browser-based document template builder that generates downloadable PDFs entirely client-side with no uploads.

FreeNo sign-upWorks offlineData stays with you
What to know▼
How it works
You pick a template, fill it in, and download a true-vector PDF, entirely client-side with no upload or account.
Pricing
Free, works offline.

Watched for 10 days · last checked 4d ago

Details →

FileSwift

Live

A suite of 15+ PDF and image tools that run entirely in your browser without uploading files to a server.

Domain registered 13 days ago

FreeData stays with you
What to know▼
How it works
Runs 15+ PDF and image tools — convert, compress, merge, sign — entirely client-side in the browser without uploading files to a server.
Pricing
Completely free, no accounts.

Watched for 10 days · last checked 4d ago

Details →

TrueRes.io — Free Browser

Live

69 free, browser-based audio and video tools — format conversion, loudness metering, spectrogram viewing, trimming — that run entirely client-side so files never leave your device.

FreeNo sign-upNothing to installData stays with you
What to know▼
How it works
69 audio and video tools -- hi-res audio analysis, LUFS loudness measurement, spectrogram viewing, format conversion, video trimming -- that run entirely client-side in the browser.
What's different
Files never leave your device since processing is 100% client-side, with no signup, watermarks, or limits.
Pricing
Free.
Best for
Anyone needing quick audio/video processing without installing software or uploading files.

Watched for 10 days · last checked 4d ago

Details →

iCreatePDF

Live

Converts images to PDF and edits them entirely in your browser via WebAssembly, so files never touch a server — worth it if privacy matters more than cloud convenience.

No sign-upWorks offlineData stays with you
What to know▼
How it works
Converts JPG, PNG, WEBP, HEIC, and BMP images to PDF and edits PDFs entirely in the browser using WebAssembly and local JS, including a suite of 36 tools to merge, split, compress, sign, protect, and decrypt.
What's different
Files never touch a server, work offline, and have no file size or page limits.
Best for
People handling sensitive documents who don't want to upload them to a cloud service.

Watched for 16 days · last checked 10d ago

Details →

FreeToolDev

Live

A free, browser-based batch toolkit for developers and designers — resize/convert files, decode JWTs, and more, entirely client-side with nothing uploaded to a server.

Domain registered 27 days ago

FreeNo sign-upNothing to installData stays with you
What to know▼
How it works
A browser-based batch toolkit that processes dozens of files at once — resizing/converting/compressing images (PNG, JPG, WebP), converting CSV to JSON, decoding JWTs, and more — entirely client-side.
What's different
Most single-file tools handle one file at a time; this is built to batch-process dozens at once, with nothing uploaded to a server.
Pricing
Free.
Best for
Developers and designers who need to process many files at once without installing software or uploading data.

Watched for 13 days · last checked 2d ago

Details →

SmartTaxCalc

Live

A free suite of CA-reviewed Indian tax and finance calculators that run client-side.

Domain registered 4 months ago

FreeNo sign-upData stays with you
What to know▼
How it works
38 CA-reviewed calculators covering Old vs New tax regime, HRA, Advance Tax, NPS, NRI residency, DTAA, RSU vesting, FIRE, and more for FY 2026-27, running entirely client-side.
What's different
All tax formulas are CA-reviewed and calculations run privacy-first in the browser.
Pricing
100% free, no signup, no login.

Watched for 9 days · last checked 6d ago

Details →

Docufy AI

Live

Extracts text via OCR from scanned documents, then lets AI summarize them, flag contract risks, and translate into 51 languages — all on your Android phone.

Domain registered 4 months ago

FreeData stays with youNo subscriptionCan export my data
What to know▼
How it works
Scans documents on an Android phone, extracts text via OCR (Google ML Kit), and lets AI summarize them, extract key facts, flag contract risks, generate to-do lists, chat with the document, or translate into 51 languages.
What's different
Goes beyond producing a plain PDF — the AI layer analyzes and translates the scanned content directly on the device.
Pricing
Scanning and OCR are free for everyone; deeper AI features (summaries, contract-risk analysis, translation) are part of a Premium tier billed without a subscription.
Best for
Android users, including freelancers and students, who want to digitize and understand documents like invoices, contracts and notes.

Watched for 14 days · last checked 8d ago

Details →

OCR PDF

Live

A free browser-based OCR tool that makes scanned PDFs searchable and can translate the extracted text, with all processing done client-side so nothing is uploaded.

FreeData stays with you
What to know▼
How it works
Makes scanned PDFs searchable using OCR and can translate the extracted text, with all processing done client-side in the browser.
What's different
No upload required — files never leave the browser, with no size limit.
Pricing
Free.
Best for
Anyone needing to make scanned documents searchable or translated without uploading them to a server.

Watched for 18 days · last checked 8d ago

Details →

WaBestie

Live

A free browser toolbox of WhatsApp link, QR code and message generators that runs client-side with no account — useful for both business chat buttons and personal messages.

FreeNo sign-upData stays with you
What to know▼
How it works
A free browser toolbox for WhatsApp: wa.me link and QR code generators, chat buttons, bold/italic/fancy text, bio and status generators, and 97,000+ pre-written messages for birthdays, festivals and daily chats.
What's different
Every tool runs client-side in the browser — no account, no data uploaded.
Pricing
Free, no paywall.
Best for
Businesses adding WhatsApp chat buttons and individuals wanting ready-made WhatsApp messages.

Watched for 16 days · last checked 10d ago

Details →

Melia

Live

A native Linux desktop email client that connects straight to your IMAP/SMTP mail servers with no cloud relay, middleman account or telemetry, as an alternative to Thunderbird or Evolution.

FreeWorks offlineData stays with youPay once
What to know▼
How it works
A native Linux desktop email client that connects directly to your mail servers over IMAP and SMTP, storing everything locally in a SQLite database and syncing credentials through the OS keyring so it works fully offline.
What's different
No cloud relay, middleman account, or telemetry — mail stays on your own machine, unlike hosted alternatives.
Pricing
Free for one account with full functionality; a one-time $10 unlock removes the account cap.
Best for
Linux desktop users looking for a native alternative to Thunderbird, Evolution, Geary or Mailspring.

Watched for 18 days · last checked today

Details →

InvoisReader

Live

A free browser tool that converts Malaysian LHDN e-invoice JSON/XML files into readable PDFs without uploading any data.

FreeNo sign-upData stays with you
What to know▼
How it works
Converts Malaysian LHDN MyInvois JSON and XML e-invoices into readable PDFs, supporting UBL 2.1, batch processing, TIN, and SST fields.
Pricing
Free.
Watch out
No signup; data never leaves your browser.

Watched for 10 days · last checked 7d ago

Details →

IG DM

Live

A Chrome extension that automates bulk Instagram DMs to followers, likers or commenters instead of sending them one by one by hand. Built for marketers and growth operators running outreach campaigns.

Data stays with you
What to know▼
How it works
A Chrome extension that automates bulk Instagram DMs to followers, following, post likers, post commenters, or a custom username list, including auto-DMing new followers or likers in real time.
What's different
Uses spin-syntax message templates for varied delivery and built-in deduplication so the same user isn't DM'd twice; no Instagram password required.
Best for
Instagram marketers, small business owners and growth operators scaling outreach via DM.

Watched for 16 days · last checked 10d ago

Details →

Local MCP (LMCP)

Live

A local MCP server that gives AI assistants like Claude, Cursor and ChatGPT tools to act on your Mac — iMessage, Teams, WhatsApp, Mail, files — with nothing sent to the cloud.

FreeWorks offlineData stays with you
What to know▼
How it works
A local Model Context Protocol server running on a Mac that gives AI assistants like Claude, Cursor and ChatGPT 143 tools to act on iMessage, local Microsoft Teams chats, WhatsApp, Apple Mail, Calendar, Contacts, Notes, Reminders, Finder files, OneDrive, Outlook and Office documents.
What's different
Runs 100% locally with no cloud connection, reaching apps like iMessage and local Teams chats that cloud-based connectors can't access.
Pricing
Free.
Best for
Mac users who want their AI assistant to act across native apps like iMessage and Mail without sending data to the cloud.

Watched for 18 days · last checked 2d ago

Details →

CrispToolHub

Live

A hub of 170+ free browser-based tools (PDF, image, resume/ATS and more) that run client-side, so files never leave your device. A broad utility site, not a specialized tool for one profession.

FreeNo sign-upNothing to installData stays with you
What to know▼
How it works
A hub of 170+ browser-based tools across 16 categories, including a PDF toolkit (compress/merge/split), an AI resume builder with ATS scoring, and financial calculators for India (GST, PPF, EPF) and the US (401k, HSA).
What's different
Processing happens locally in the browser via WebAssembly, so files never reach a server, and there is no sign-up, daily limit, or watermark.
Pricing
Free, no account required.
Best for
Anyone needing quick PDF, resume/ATS, or financial calculations without installing software or creating an account.

Watched for 14 days · last checked 2d ago

Details →

FastFileTool

Live

Converts, compresses and edits PDFs, images, audio and video right in your browser — files never leave your device, unlike typical cloud upload tools.

Works offlineData stays with you
What to know▼
How it works
Converts, compresses and edits PDFs, videos, images and audio entirely inside the browser using WebAssembly and client-side scripts.
What's different
Files never leave your device — no upload, no cloud storage server, works offline with no file-size limits.
Best for
People handling sensitive files who want to avoid uploading them to a cloud service.

Watched for 16 days · last checked 10d ago

Details →

.MDPPT

Live

Converts Markdown files straight into PowerPoint slides, skipping manual copy-paste and reformatting — useful for developers writing specs, teachers prepping lecture notes, or anyone building decks.

Data stays with youCan export my data
What to know▼
How it works
Converts Markdown files into PowerPoint presentations, automatically splitting slides by headings (#, ##, ###) and preserving bullet points, numbered lists, and code blocks with syntax highlighting.
What's different
Processing is fully client-side, so your content never leaves your browser; exports as .pptx or .pdf.
Best for
Developers, technical writers, educators and anyone who prefers writing in Markdown but needs to present in PowerPoint.

Watched for 18 days · last checked 2d ago

Details →

GST Reco Pro

Live

Converts GSTR-1 and GSTR-3B tax PDFs into structured Excel sheets entirely in-browser, so client tax data never leaves the accountant's machine. Built specifically for Indian CAs and tax professionals.

Data stays with you
What to know▼
How it works
Converts GSTR-1 and GSTR-3B tax PDFs into structured Excel sheets, processing everything client-side in the browser so no data is uploaded to a server.
What's different
100% client-side processing means sensitive client tax data never leaves the accountant's computer.
Best for
Indian CAs and tax professionals who need to bulk-extract GSTR PDF tables into Excel without exposing client data.

Watched for 18 days · last checked 2d ago

Details →

FreeToolBoxKit

Live

A free browser-based bundle of everyday tools — PDF merge/split/compress, image resize/convert, text utilities, and a resume/invoice generator — with nothing uploaded to a server.

Domain registered 1 month ago

FreeNo sign-upNothing to installData stays with you
What to know▼
How it works
A bundle of browser-based utilities — PDF merge/split/compress/rotate/convert, image compress/resize/crop/convert, text tools like word counter and diff, plus a resume and invoice builder.
What's different
Runs entirely in the browser with no sign-up, no account, and no files uploaded to a server.
Pricing
Free.
Best for
People who need quick everyday file or text utilities without creating an account or uploading files.

Watched for 14 days · last checked 2d ago

Details →

VenalyticsApp

Live

Drag in messy enterprise reports and get interactive dashboards computed entirely in your browser, nothing sent to a server — for non-analysts who need quick insight without a BI team.

Nothing to installData stays with you
What to know▼
How it works
Drag and drop raw enterprise reports and it automatically maps metrics, segments, and timelines into an interactive dashboard you can drill into, computed entirely client-side in the browser.
What's different
No integrations to set up and no analyst skills required, with all computation happening client-side for data privacy.
Best for
People at companies who need quick insight from messy enterprise reports without a BI team or analyst.

Watched for 13 days · last checked 7d ago

Details →

Leakproof

Live

Compares your contracts and invoices CSVs locally in the browser to flag possibly missing or underbilled invoices before month-end close, with no upload and no AI.

Data stays with you
What to know▼
How it works
Compares a contracts.csv file with an invoices.csv file locally in the browser and flags potential missing invoices and underbilling for human review, with every flagged candidate linking back to its source rows.
What's different
Runs entirely locally in the browser with no data upload and no AI guessing — comparisons are rule-based against source rows.
Best for
Accountants and finance teams checking for missing invoices before month-end close.
Watch out
The public demo uses synthetic data; flagged items are opportunities to investigate, not confirmed recovered revenue.

Watched for 13 days · last checked 7d ago

Details →

Online Tool Yard

Live

A collection of client-side utility tools — encoding/decoding, text formatting, JSON conversion, hashing, color tools, network lookups — that run entirely in your browser with nothing sent to a server. For developers and designers who want quick one-off utilities.

Data stays with you
What to know▼
How it works
A collection of client-side utility tools covering encoding/decoding, text formatting, JSON and data conversion, hashing, color design, and network lookups, all running in the browser.
What's different
Fully client-side — no data is sent to a server.
Best for
Developers and designers who need quick one-off utility tools without uploading anything.

Watched for 13 days · last checked 7d ago

Details →

The OS Suite

Live

76 separate browser-based, offline, pay-once workspaces built for specific roles like real estate agents, fitness coaches and developers, pitched as an escape from stacked SaaS subscriptions.

Nothing to installWorks offlineData stays with youPay once
What to know▼
How it works
76 self-contained, browser-based workspaces, each with 8-10 purpose-built modules for a specific role or niche (real estate, fitness coaching, cybersecurity, development, etc.), running 100% offline and locally.
What's different
Data never touches a server (local-first architecture) and it's a one-time purchase instead of a stack of monthly SaaS subscriptions.
Pricing
Pay once, own forever (one-time payment, no subscription).
Best for
Professionals in specific niches who want purpose-built tools without recurring SaaS fees or sending business data to the cloud.

Watched for 14 days · last checked 8d ago

Details →

ReplyKit

Live

A single-file customer-support tool for canned replies with variable auto-fill, working fully offline with no account or subscription — a one-time $9 purchase.

No sign-upNothing to installWorks offlineData stays with you
What to know▼
How it works
A single HTML file for customer support: unlimited canned reply templates organized by category, auto-fill variables like [customer_name] and [order_number], bulk-import from Excel, plus notes, favorites, alarms, and auto-backup — all offline.
What's different
Runs from one local file with no install, account, or subscription, and your data never leaves your machine, unlike SaaS help desks.
Pricing
One-time payment of $9, includes 10 ready-to-use templates.
Best for
Support reps or small teams who want canned replies without signing up for a SaaS help desk.

Watched for 17 days · last checked 11d ago

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Formalint

Live

A free set of 17+ client-side developer utilities (JSON/XML/YAML/SQL formatters, regex tester, JWT decoder, hash generator) that run entirely in the browser with nothing sent to a server.

No sign-upNothing to installData stays with you
What to know▼
How it works
Provides 17+ browser-based developer tools, JSON/XML/YAML/SQL formatters, a regex tester, a JWT decoder, a hash generator and more, all running client-side so nothing pasted is uploaded or logged.
Pricing
No signup, no rate limits on the core tools.
Best for
Developers who want quick formatting/decoding tools without an account or sending data to a server.

Watched for 18 days · last checked 2d ago

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SnailText

Live

Offline on-device speech to text for Mac and Windows

No sign-upWorks offlineData stays with you

First seen today · last checked today

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Skylimit AR Aging Dashboard

Live

Upload your Tally export and get instant accounts-receivable aging analytics, overdue invoices, collection trends, processed entirely in your browser so financial data never reaches a server. Built for accountants.

Data stays with you
What to know▼
How it works
You upload a Tally accounting export and it visualizes customer balances, overdue invoices, aging buckets, collection trends and receivable performance, with dynamic risk assessment for outstanding invoices.
What's different
Processes the Tally export entirely client-side, so financial data never reaches a server, avoiding expensive ERP add-ons or sharing data with third parties.
Best for
Accountants and businesses using Tally who want AR aging analytics without an ERP add-on or uploading financial data to the cloud.

Watched for 18 days · last checked 2d ago

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HuisKoopWijzer

Live

Free calculator toolkit for Dutch home buyers covering buyer's costs, local market trends, and rent-vs-buy math.

FreeData stays with you
What to know▼
How it works
Estimates buyer's costs (transfer tax, notary fees), local overbidding trends for 65+ Dutch cities, and rent-vs-buy math, with an AI assistant for Dutch housing law; runs client-side with no account.
What's different
Unlike bank calculators, it sells no data and hides no costs.
Pricing
Free.
Best for
First-time home buyers in the Dutch housing market.

Watched for 3 days · last checked 1d ago

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Zellio.io

Live

A free collection of 50 client-side web utilities (code formatter, regex tester, image compressor, timestamp converter and more) that run entirely in your browser with no login required.

No sign-upData stays with you
What to know▼
How it works
A collection of 50 client-side web utilities — code formatter, regex tester, image compressor, Unix timestamp converter and more — that run entirely in the browser.
What's different
Runs 100% locally with no login required, so tools work instantly without uploading data.
Best for
Developers who want quick one-off utilities without creating an account or uploading files.

Watched for 16 days · last checked 10d ago

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Proxy Manager - 1 identity per account.

Live

A Chrome extension that pairs each proxy with a matching device fingerprint so multiple accounts aren't linked — built for people running many accounts at once, like agencies or affiliates.

Data stays with you
What to know▼
How it works
Pairs each proxy with a coherent, country-matched device fingerprint (timezone, language, WebGL, canvas, Client Hints) plus WebRTC protection, and lets you bulk-import proxies into ready profiles.
What's different
Pairs proxy and fingerprint together in one tap, unlike simple proxy tools or complex anti-detect browsers.
Best for
People running multi-account workflows, such as agencies or affiliates, who need accounts to stay unlinked.

Watched for 17 days · last checked 11d ago

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10minbox

Live

Lets you share a file or note that automatically deletes itself after 10 minutes, with no login or server-side storage.

FreeNo sign-upData stays with you
What to know▼
How it works
Client-side encrypted share via a Box ID and PIN, auto-deletes after 10 minutes
Pricing
Free
Best for
Anyone needing a quick, private, no-trace file or text share

Watched for 6 days · last checked 5d ago

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JSON Toolbox by mackan.eu

Live

A browser-based JSON formatter, converter, repair and compare tool from mackan.eu's toolset; sibling tools in the same suite run entirely client-side with no upload or signup required.

No sign-upData stays with you
What to know▼
How it works
A browser-based tool for formatting, converting, repairing and comparing JSON.
What's different
Part of a client-side toolset where tools run in the browser with no upload or signup required.
Best for
Developers who need to quickly clean up or compare JSON without installing anything.

Watched for 18 days · last checked 10d ago

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The Arsenal

Live

Privacy-first web utility suite for editing video, compressing images, managing PDFs, and removing backgrounds entirely client-side.

Data stays with youNo ads
What to know▼
How it works
Runs video editing, image compression, PDF management, background removal, and text encryption entirely client-side in the browser.
What's different
No server uploads, no ads, and no logs, unlike typical cloud-based utility suites.
Best for
Users who want quick file utilities without uploading files to a server.

Watched for 9 days · last checked 7d ago

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Ic2Share

Live

Suite of client-side browser tools, including a teleprompter and EXIF stripper, that run entirely offline.

Domain registered 2 months ago

Works offlineData stays with you
What to know▼
How it works
A suite of web utilities (e.g. an auto-scrolling teleprompter, an EXIF metadata stripper) that run entirely offline in the browser using HTML5 and JS APIs.
What's different
100% client-side — no backend uploads or delays.
Best for
Developers and creators wanting privacy-first tools.

Watched for 10 days · last checked 7d ago

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LumenPass - Password Manager

Live

A password manager built on the open, KeePass-compatible KDBX format, storing logins, passkeys, cards and TOTP codes in one encrypted vault with Face ID autofill.

Domain registered 3 months ago

Data stays with youNo adsNo tracking
What to know▼
How it works
Stores logins, passkeys, credit cards, secure notes and TOTP codes in an encrypted vault, built on the open KDBX format compatible with KeePass and KeePassXC, with one-tap AutoFill and Face ID across iPhone, iPad, Mac, Windows and Linux.
What's different
Uses the open KDBX format instead of a proprietary vault, so you're not locked into one vendor, with zero-knowledge on-device encryption before sync.
Best for
People wanting a KeePass-compatible password vault across Apple, Windows and Linux devices without vendor lock-in.

Watched for 13 days · last checked 2d ago

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Tallybook

Live

A free browser-based invoice maker with line items, tax, discounts and PDF export that never uploads your data; $19/year removes a small credit line on the invoice.

Domain registered 20 days ago

FreeNo sign-upData stays with you
What to know▼
How it works
Builds a professional invoice with line items, tax, discounts, 24 currencies and a logo entirely in your browser — no account, no upload, drafts stay on your device — then exports as PDF.
Pricing
Free forever; Pro ($19/year) removes the credit line on the invoice.
Best for
Freelancers and small businesses who want to send invoices without an account or uploading their data.

Watched for 13 days · last checked 11d ago

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MapMyCSV

Live

Remaps a messy CSV export to match the exact column format your CRM, ERP, or accounting tool expects, entirely in your browser — a one-time $29 purchase, no account needed.

No sign-upData stays with youPay onceCan export my data
What to know▼
How it works
Remaps a messy CSV export to match a target import template's exact headers, column order, and date/amount formats, with auto column matching, manual fixes, and row-level validation, entirely in the browser.
What's different
Runs entirely client-side so the data file never leaves the user's machine.
Pricing
Free preview of the first 10 mapped rows; $29 one-time payment unlocks the full export.
Best for
Anyone who needs a CSV export reshaped to fit a CRM, accounting tool, ERP, or database import format without writing a script.

Watched for 13 days · last checked 10d ago

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DevDash — Developer Tools, Fast

Live

17 client-side developer utilities, JSON formatter, JWT decoder, regex tester, hash and UUID generators and more, in one page, each also exposed as a REST API endpoint. No sign-up, nothing leaves your browser.

Domain registered 18 days ago

No sign-upData stays with you
What to know▼
How it works
A single page bundling 17 client-side developer utilities — JSON formatter, Base64 encoder/decoder, JWT decoder, regex tester, hash generator, UUID generator, URL encoder, timestamp converter, password generator, SQL formatter, cron parser, Markdown preview, color converter, diff tool, QR code generator, Lorem Ipsum generator, and an AI content detector — each also available as a REST API endpoint.
What's different
All processing happens client-side, so data never leaves the browser, and no sign-up is required.
Pricing
No sign-up required.
Best for
Developers who want quick access to common utilities without installing separate tools, including via API in scripts.

Watched for 13 days · last checked 10d ago

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EasyPDFNex

Live

131+ PDF tools that run entirely in your browser so files never leave your device, no signup required — GDPR-friendly by design since nothing gets uploaded.

Domain registered 1 month ago

FreeNo sign-upData stays with you
What to know▼
How it works
131+ PDF tools (merge, split, compress, convert, edit, sign, OCR, encrypt) that all run 100% client-side in the browser.
What's different
No files ever leave the device since there's no server involved, and it's available in 9 languages.
Pricing
Free, no signup, no limits.
Best for
Anyone handling PDFs who wants to avoid uploading sensitive files to a server.

Watched for 14 days · last checked 2d ago

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Keyword Density Checker

Live

A free, browser-only SEO tool that scores keyword density and flags stuffing risk down to word phrases, with nothing uploaded — built for marketers checking pages before publishing.

FreeNo sign-upNothing to installData stays with you
What to know▼
How it works
Checks keyword density and stuffing risk down to 1-gram, 2-gram and 3-gram phrases in the browser, with a color-coded health check and CSV export.
What's different
Runs 100% client-side, so content never leaves your device.
Pricing
Free forever, no signup, no caps.
Best for
Marketers and SEO writers checking a page for keyword stuffing before publishing.

Watched for 16 days · last checked 2d ago

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QuotesPad

Live

A free invoice and estimate maker for tradies, electricians, plumbers, painters, landscapers, with pre-loaded line items so you can quote a job in about a minute; data stays on your device.

FreeNo sign-upData stays with you
What to know▼
How it works
Runs entirely in the browser to generate invoices, estimates, and receipts, pre-loaded with real line items for specific trades so you can quote a job in about a minute.
What's different
Pre-loads trade-specific line items (electrician, plumber, cleaner, HVAC, painter, landscaper) instead of starting from a blank template, and includes 70+ guides on what trade jobs cost in 2026.
Pricing
Free to use; $3 one-time to remove the PDF watermark.
Best for
Tradespeople like electricians, plumbers, cleaners, HVAC techs, painters, and landscapers who need to quote jobs quickly.
Watch out
No signup and no upload — data stays on your device, so there's no cloud backup of your quotes.

Watched for 17 days · last checked 8d ago

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Techsinghe Smart Tools

Live

A free bundle of 67 PDF/image tools plus 45 AI tools that all run client-side in the browser, so files never leave your device. No account, no watermarks, works offline once loaded.

FreeNo sign-upWorks offlineData stays with you
What to know▼
How it works
A bundle of 67 PDF/image tools and 45 AI tools that run 100% client-side in the browser using pdf-lib, pdf.js and JSZip, so files never leave the device.
What's different
Unlike most 'free' PDF tools, processing never touches a server, and it works offline once loaded.
Pricing
Free, no account needed for the core toolkit, no watermarks, no daily caps.
Best for
People who want PDF or image tools without uploading files to a server or hitting usage limits.

Watched for 17 days · last checked 8d ago

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OminConvert

Live

A free browser-based toolkit for file conversion, OCR (including Hindi), background removal and image resizing that keeps every file on your device instead of uploading it to a server.

FreeNothing to installData stays with you
What to know▼
How it works
A browser-based suite of file conversion, OCR (English/Hindi), background removal and resizing tools where all processing happens locally on the device.
What's different
Files are never uploaded to a server, unlike most online converters.
Pricing
Free, no sign-ups, no monthly subscriptions, no file size limits.
Best for
Anyone needing quick file or image edits without uploading files to a third-party server.

Watched for 17 days · last checked 8d ago

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PostTruncate

Live

Previews how your post or thread will actually look on LinkedIn, Instagram, SMS, or a Google meta description before you publish, a formatting check, not a scheduler.

FreeData stays with you
What to know▼
How it works
A set of client-side web tools that preview how a post, thread, SMS message or meta description will actually render and truncate on LinkedIn, Instagram, SMS and Google search, before you publish.
What's different
Accounts for real-world limits like LinkedIn's 'see more' cutoff, SMS encoding cost changes from emoji, and Google's pixel-width title truncation, rather than a generic character counter.
Pricing
Free.
Best for
Marketers and creators who want to catch formatting cutoffs before publishing instead of guessing.

Watched for 18 days · last checked 11d ago

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Quietbench

Live

A free suite of browser-based developer tools, JSON formatter, regex tester, cron builder, a WCAG accessibility checker, that runs client-side with no signup, ads, or data sent to a server.

FreeNo sign-upData stays with youNo ads
What to know▼
How it works
A small suite of browser-based dev tools — JSON formatter, regex tester, cron builder, WCAG contrast checker, and API request tester — that run entirely client-side.
What's different
No accounts, no ads, and no data sent to a server, unlike bookmarked dev-tool sites that get slower and ad-heavier over time.
Pricing
Free.
Best for
Developers who want quick utility tools without signing up or sending data to a server.

Watched for 18 days · last checked 2d ago

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LeakScan

Live

Scans your accounts-payable export in the browser for duplicate vendor payments, and the file never leaves the tab. Built for finance teams doing AP audits, not general spreadsheet work.

Data stays with youCan export my data
What to know▼
How it works
Scans an AP export (CSV/Excel) in the browser for suspected duplicate vendor payments — same invoice paid twice, invoice number variants, duplicate payment references, unapplied credits — and produces a CFO-ready HTML report plus Excel export.
What's different
Runs entirely in the browser under CSP that blocks outbound requests, so the file never leaves the tab.
Best for
Finance teams running accounts-payable audits.
Watch out
The reported result (found $38,125 of planted duplicates, 5/5, with zero false alarms) comes from a blind test the vendor ran itself, not an independent audit.

Watched for 18 days · last checked 2d ago

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dev101.io

One box for every dev utility — runs in your browser

FreeNo sign-upWorks offlineData stays with you

First seen today

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The Superhive

Not responding

Multi-AI workspace for chat, voice, and collaboration

Data stays with you

First seen today · last checked today

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uDocumentViewer

A browser-based viewer and converter for over 200 file formats, including PDFs and CAD/scientific data, that decodes everything locally with no uploads, accounts, or ads.

Domain registered 2 months ago

No sign-upData stays with youNo ads
What to know▼
How it works
Opens over 216 file formats directly in the browser, including PDFs, images, ebooks, spreadsheets, 3D/CAD/PCB files, and scientific formats like DICOM, NIfTI, and FITS, decoding everything locally with JavaScript and WebAssembly; also includes 107 client-side converters, 7 compressors, and 21 editing tools.
What's different
Every file is decoded on-device, so nothing is ever uploaded, unlike typical online converters.
Pricing
No accounts, no quotas, no ads, no paywall.
Best for
Anyone who needs to view or convert an unusual file format without uploading it anywhere.

Watched for 14 days · last checked 2d ago

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ContractForge

A free browser-based generator for NDAs, leases, freelance agreements, and other contracts, with no data leaving the browser.

FreeNo sign-upNothing to installData stays with you
What to know▼
How it works
Generates NDAs, leases, freelance agreements, invoices, and employment letters as a downloadable PDF in under 60 seconds.
Pricing
Free, no signup or credit card.
Watch out
Data never leaves your browser.

Watched for 17 days · last checked today

Details →